Polishing device for production of jack piston rod
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of jack production, in particular to the technical field of polishing devices for jack piston rod production.
[ background of the invention ]
The piston rod is a connecting component for supporting the piston to do work, is applied to an execution component of a hydraulic oil cylinder of the jack and is a moving component with frequent movement and high technical requirements, the hydraulic oil cylinder consists of a cylinder barrel, a piston rod, a piston and an end cover, the service life and the reliability of the whole product are directly influenced by the quality of the processing quality of the hydraulic oil cylinder, the processing requirement of the piston rod is high, the surface roughness requirement of the piston rod is Ra0.4-0.8 mu m, the requirements on coaxiality and wear resistance are strict, and the piston rod is basically characterized in that the processing difficulty of a slender shaft is high, so that processing personnel are always puzzled.
The piston rod needs to be polished before being used, the fixing device of the conventional polishing device can only fix one end of the piston rod when being polished, the fixing is not firm enough, and the piston rods with different diameters cannot be fixed, so that the use is limited, and the production requirement cannot be met.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a polishing device for production of a piston rod of a jack, which can fix two ends of the piston rod and can fix piston rods with different diameters, so that the production requirements can be met.
In order to achieve the purpose, the invention provides a polishing device for production of a jack piston rod, which comprises a support frame, wherein a sealing box body is arranged on the upper end surface of the support frame, a first support plate and a second support plate are respectively fixed on two sides of the inner wall of the sealing box body, the inner sides of the first support plate and the second support plate are connected through a slide rod, a movable slide block is fixed on the slide rod in a sliding manner, a movable support is fixedly connected below the movable slide block, a vertical fixed plate is connected onto the movable support, a first motor is fixed on the left side of the fixed plate, the output end of the first motor penetrates through the fixed plate and is connected with a rotating disc, a strip-shaped groove is arranged on the right side wall of the rotating disc, one end of the piston rod is fixed inside the strip-shaped groove through a clamping mechanism, a vertical part is arranged at the left end part of the movable support, and a first hydraulic cylinder is fixed on the right side wall of the first support plate, the telescopic end of the first hydraulic cylinder is fixedly connected with the left side wall of the vertical part, the left side wall of the second support plate is provided with a slide rail, the slide rail is provided with a slide plate in a sliding manner, the slide plate is fixedly provided with a second hydraulic cylinder, the telescopic end of the second hydraulic cylinder is rotationally fixed with an auxiliary fixing head, the auxiliary fixing head consists of a plurality of step-shaped cylinders, the diameter of the cylinder close to one side of the piston rod is smaller than that of the cylinder far away from one side of the piston rod, the auxiliary fixing head is fixed with the other end of the piston rod, the bottom of the sealed box body is fixedly provided with an electric push rod, the upper end face of the electric push rod is fixedly provided with a base, the two sides of the base are fixedly provided with third hydraulic cylinders, the telescopic end of the third hydraulic cylinder is fixedly provided with a movable plate, the movable plate is fixedly provided with a polishing mechanism, and dust collection heads are arranged below the two sides of the polishing mechanism, the dust collection head is connected with dust collectors through an air suction pipe, the two dust collectors are connected to a waste material box through connecting pipes, and a filter plate is arranged in the waste material box.
Preferably, the grinding mechanism comprises a second motor fixed on the upper end face of the movable plate, a protective shell is arranged on the outer side of the second motor, and the output end of the second motor penetrates through the protective shell and is provided with a grinding head.
Preferably, the bottom of the support frame is provided with a recovery box, and the dust collector and the waste box are both arranged in the recovery box.
Preferably, a fourth hydraulic cylinder is arranged below the second hydraulic cylinder, and a telescopic end of the fourth hydraulic cylinder is fixed on the lower end face of the second hydraulic cylinder.
Preferably, the clamping mechanism comprises two arc-shaped clamping plates, each arc-shaped clamping plate is provided with an adjusting screw rod, the arc-shaped clamping plates are located in the strip-shaped grooves, and the adjusting screw rods penetrate through the rotating disc.
Preferably, an air inlet is formed in the upper end face of the sealing box body, an air blower is arranged at the air inlet, and the air inlet is located above the grinding mechanism.
The invention has the beneficial effects that: according to the invention, one end of the piston rod is fixed through the clamping mechanism, and the other end of the piston rod is subjected to auxiliary fixing through the auxiliary fixing head, so that the piston rod is more firmly fixed during polishing, the shaking and the displacement are reduced, and the polishing precision is improved; the clamping mechanism can fix piston rods with different diameters through the adjusting screw rod, and the step design of the auxiliary fixing head can be fixed in through holes with different diameters of the piston rods, so that the auxiliary fixing head is suitable for piston rods with different models, has wider applicability and cannot influence polishing work; the height of the polishing mechanism is adjusted through the electric push rod, and the polishing angle of the polishing mechanism is adjusted through the third hydraulic cylinder, so that the polishing flexibility is higher, and the polishing mechanism can be freely adjusted according to production requirements; the design of the dust collection head is used for absorbing the scraps generated during grinding of the grinding device, and the generated scraps are collected into the waste box, so that the cleaning work of the grinding device is reduced, and the production efficiency is improved; the design of the sealing box body prevents the polished dust from dispersing in the air, so that the workshop environment is polluted and the health of workers is harmed.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of a polishing device for producing a piston rod of a jack according to the present invention;
FIG. 2 is a schematic structural diagram of a polishing mechanism of the polishing device for producing the piston rod of the jack;
FIG. 3 is a schematic view of an auxiliary fixing head structure of a polishing device for producing a piston rod of a jack according to the present invention;
fig. 4 is a schematic structural diagram of a clamping mechanism of the polishing device for producing the piston rod of the jack.
In the figure: 1-supporting frame, 2-sealing box body, 3-sliding rod, 4-rotating disc, 5-sliding rail, 6-electric push rod, 7-dust collection head, 8-recycling box, 9-blower, 10-piston rod, 21-first supporting plate, 22-, second supporting plate, 23-air inlet, 30-first motor, 31-moving slide block, 32-moving bracket, 33-fixing plate, 34-first hydraulic cylinder, 35-arc clamp, 36-adjusting screw, 41-strip groove, 51-sliding plate, 52-second hydraulic cylinder, 53-auxiliary fixing head, 54-fourth hydraulic cylinder, 61-base, 62-third hydraulic cylinder, 63-movable plate, 64-second motor, 65-protective shell, 66-grinding head, 71-air suction pipe, 72-dust suction machine, 73-waste box and 74-filter plate.
[ detailed description ] embodiments
Referring to fig. 1, 2, 3 and 4, the polishing device for producing a piston rod of a jack according to the present invention includes a supporting frame 1, wherein a sealing box 2 is disposed on an upper end surface of the supporting frame 1, a first supporting plate 21 and a second supporting plate 22 are respectively fixed on two sides of an inner wall of the sealing box 2, inner upper sides of the first supporting plate 21 and the second supporting plate 22 are connected through a sliding rod 3, a moving slider 31 is fixed on the sliding rod 3 in a sliding manner, a moving bracket 32 is fixed below the moving slider 31 in a connecting manner, a vertical fixing plate 33 is connected on the moving bracket 32, a first motor 30 is fixed on a left side of the fixing plate 33, an output end of the first motor 30 penetrates through the fixing plate 33 and is connected with a rotating disc 4, a strip-shaped groove 41 is disposed on a right side wall of the rotating disc 4, one end of the piston rod 10 is fixed inside the strip-shaped groove 41 through a clamping mechanism, the left end part of the movable support 32 is provided with a vertical part, the right side wall of the first support plate 21 is fixed with a first hydraulic cylinder 34, the telescopic end of the first hydraulic cylinder 34 is fixedly connected with the left side wall of the vertical part, the left side wall of the second support plate 22 is provided with a slide rail 5, the slide rail 5 is provided with a slide plate 51 in a sliding manner, the slide plate 51 is fixed with a second hydraulic cylinder 52, the telescopic end of the second hydraulic cylinder 52 is rotationally fixed with an auxiliary fixing head 53, the auxiliary fixing head 53 is composed of a plurality of cylinders in a step shape, the diameter of the cylinder close to one side of the piston rod 10 is smaller than that of the cylinder far away from one side of the piston rod 10, the auxiliary fixing head 53 fixes the other end of the piston rod 10, the bottom of the seal box 2 is fixed with an electric push rod 6, and the upper end surface of the electric push rod 6 is fixed with a base 61, the grinding machine comprises a base 61, a first hydraulic cylinder 62, a second hydraulic cylinder 52, a movable plate 63, a grinding mechanism, dust collection heads 7, a dust collector 72, a waste bin 73, a filter plate 74, a grinding mechanism, a second motor 64, a protective shell 65, a grinding head 66, a recovery box 8, a dust collector 72, a waste bin 73, a fourth hydraulic cylinder 54, a fourth hydraulic cylinder 52, a dust collection head 7, a dust collection head 72, a dust collection head 66, a dust collection head 73, a dust collection box 52, a recovery box 8, a dust collection box 72, a waste bin 73 and a dust collection box 52, the flexible end of fourth hydraulic cylinder 54 is fixed the lower terminal surface of second hydraulic cylinder 52, clamping mechanism includes two arc splint 35, every all be equipped with an adjusting screw 36 on the arc splint 35, arc splint 35 is located in bar groove 41, adjusting screw 36 runs through the rolling disc 4 sets up, the up end of seal box 2 is equipped with air inlet 23, air inlet 23 department is equipped with air-blower 9, air inlet 23 is located grinding mechanism's top.
The working process of the invention is as follows:
in the working process of the polishing device for producing the jack piston rod, one end of a piston rod 10 is fixed through an arc-shaped clamp 35 and is screwed through an adjusting screw rod 36, the other end of the piston rod 10 is fixed through an auxiliary fixing head 53, after the piston rod 10 is fixed, the height of a polishing head 66 is adjusted through an electric push rod 6, the polishing angle of the polishing head 66 is adjusted through adjusting a third hydraulic cylinder 62, a first hydraulic cylinder 34 and a second hydraulic cylinder 52 are adjusted to enable the right end part of the piston rod 10 to be aligned with the polishing head 66, then the polishing device is started, a second motor 64 drives the polishing head 66 to rotate to polish the outer wall of the piston rod 10, a first motor 30 drives the piston rod 10 to rotate, the first hydraulic cylinder 34 extends at a constant speed, the second hydraulic cylinder 52 contracts at the same speed to drive the piston rod 10 to horizontally slide below a sliding rod 3 at a constant speed, so that the polishing head 66 polishes the outer wall of the piston rod uniformly, can be polished back and forth as required, and during polishing, the blower 9 blows air to the polishing head 66 through the air inlet 23, so that the polished chips enter the dust suction heads on the two sides, and the absorbed chips enter the waste box 73 for storage.
According to the invention, one end of the piston rod is fixed through the clamping mechanism, and the other end of the piston rod is subjected to auxiliary fixing through the auxiliary fixing head, so that the piston rod is more firmly fixed during polishing, the shaking and the displacement are reduced, and the polishing precision is improved; the clamping mechanism can fix piston rods with different diameters through the adjusting screw rod, and the step design of the auxiliary fixing head can be fixed in through holes with different diameters of the piston rods, so that the auxiliary fixing head is suitable for piston rods with different models, has wider applicability and cannot influence polishing work; the height of the polishing mechanism is adjusted through the electric push rod, and the polishing angle of the polishing mechanism is adjusted through the third hydraulic cylinder, so that the polishing flexibility is higher, and the polishing mechanism can be freely adjusted according to production requirements; the design through the dust absorption head absorbs the piece that grinding device produced when polishing, and in collecting the waste bin with the piece that produces, reduce grinding device's cleaning, improve production efficiency.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.